Top Tech Jobs & Startup Jobs in Chicago, IL

Serve as subject-matter expert in business processes, analyze and recommend system improvements, translate business needs into technical requirements, support system implementation/integration across the EFM portfolio, collaborate with stakeholders, produce documentation and decision-support materials, and use Microsoft Suite and project management tools for analysis and reporting.

Senior technologist and innovation leader driving cross-domain digital transformation (data, AI, cloud, DevSecOps, ITSM, cybersecurity) in federal consulting. Leads innovation strategy, builds reusable solution accelerators, supports federal proposal development, engages senior government clients, and formalizes innovation methodologies to deliver scalable, secure, mission-focused solutions.

Administer and maintain IBM z/OS CICS and MQ environments in a DoD setting. Perform installations, upgrades, troubleshooting, performance tuning, security compliance (STIG/SRG), DR support, MQ administration, automation using SMP/E/JCL/REXX, and produce technical documentation while coordinating change management and mentoring junior staff.

Lead technical authority for mainframe modernization: assess legacy environments, design modernization architectures (rehost/refactor/cloud/API enablement), run z/OS/DB2/CICS operations and troubleshooting, plan and execute migrations, integrate DoD security controls, mentor engineers, and produce operational documentation and migration playbooks for DISA/DoD customers.

Manage installation, configuration, patching, and maintenance of mission-critical Oracle databases. Administer Grid Infrastructure, ASM, networking, and backup/recovery (RMAN). Monitor performance, perform tuning and SQL optimization, implement security controls (TDE, OLS, Database Vault, Unified Auditing), support HA/DR, automate operational tasks, remediate vulnerabilities (STIG/RMF), collaborate with devs and cybersecurity, and maintain operational documentation.

Assess and strengthen cloud-hosted system security for DoD compliance: review architecture and policy, recommend improvements, analyze and report threats, coordinate with cyber intelligence and incident response, identify protection/detection gaps, and deliver actionable reports and briefings.

Provide mainframe operations and application support across IBM and Unisys environments (OS2200, z/OS, z/VM). Monitor and troubleshoot batch jobs, scheduling (OpCon/BMC), tape systems, and incidents using ITSM tools, perform IPLs, change management, RCA, and coordinate with government and customer personnel. Work 3rd shift and follow DISA processes and SLAs.

Provide senior-level database architecture and engineering for cloud-hosted geospatial systems. Design, optimize, secure, migrate, and sustain relational and non-relational databases. Troubleshoot performance and integrity issues, support DevSecOps/CI-CD integration, backup/recovery, schema updates, and compliance. Collaborate with cross-functional teams, produce documentation, and support deployments and surge investigations in a DoD mission environment.

Provide cybersecurity engineering support across the DLA EFM portfolio: analyze and implement security requirements, support A&A and RMF activities, manage POA&Ms and compliance reporting, recommend DoD-aligned standards (Defense-in-Depth, Zero Trust), integrate security across system lifecycles, and collaborate with stakeholders to improve cybersecurity posture.

Provide senior-level administration and sustainment for GEOMAP databases: ensure availability, performance, security, backups/recovery, patching, monitoring, troubleshooting, change implementation, and documentation across dev/test/staging/production while collaborating with software, cloud, DevSecOps, testing, and support teams.